| 20:55 EST |  Overcast | -3°C / 27°F | -4°C / 25°F | 93% | 1030 mb (30.42 in) | ENE 11 kph (ENE 6.9 mph) | - | 10SM |
| | KGTB 250155Z AUTO 06006KT 10SM OVC006 M03/M04 A3042 RMK AO2 SLP316 T10281036 |
| 20:39 EST |  Overcast | -3°C / 27°F | -4°C / 25°F | 93% | 1030 mb (30.42 in) | NE 7 kph (NE 4.6 mph) | - | 10SM |
| | KGTB 250139Z AUTO 05004KT 10SM OVC006 M03/M04 A3043 RMK AO2 SLP317 |
| 19:55 EST |  Overcast | -3°C / 27°F | -4°C / 25°F | 93% | 1030 mb (30.42 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KGTB 250055Z AUTO 03003KT 10SM OVC007 M03/M04 A3043 RMK AO2 SLP319 T10271038 |
| 18:55 EST |  Overcast | -3°C / 27°F | -4°C / 25°F | 93% | 1030 mb (30.42 in) | ENE 11 kph (ENE 6.9 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGTB 242355Z AUTO 07006KT 10SM OVC008 M03/M04 A3042 RMK AO2 UPB2318E2343 SLP314 P0000 60000 T10281039 11020 21029 58005 |
| 18:43 EST |  Overcast | -3°C / 27°F | -4°C / 25°F | 93% | 1030 mb (30.42 in) | ENE 11 kph (ENE 6.9 mph) | - | 10SM |
| | KGTB 242343Z AUTO 07006KT 10SM OVC008 M03/M04 A3042 RMK AO2 UPB2318E2343 SLP315 |
| 18:18 EST |  Overcast Unknown Precip | -3°C / 27°F | -4°C / 25°F | 93% | 1030 mb (30.42 in) | ENE 11 kph (ENE 6.9 mph) | - | 10SM |
| | KGTB 242318Z AUTO 06006KT 10SM UP OVC008 M03/M04 A3043 RMK AO2 UPB2318 SLP318 |
| 17:56 EST |  Overcast | -3°C / 27°F | -4°C / 25°F | 93% | 1030 mb (30.42 in) | ENE 11 kph (ENE 6.9 mph) | - | 10SM |
| | KGTB 242256Z AUTO 06006KT 10SM OVC008 M03/M04 A3043 RMK AO2 SLP319 |
| 17:55 EST |  Overcast | -3°C / 27°F | -4°C / 25°F | 93% | 1030 mb (30.42 in) | ENE 11 kph (ENE 6.9 mph) | - | 10SM |
| | KGTB 242255Z AUTO 06006KT 10SM OVC009 M03/M04 A3043 RMK AO2 SLP319 T10271044 |
| 17:42 EST |  Overcast | -3°C / 27°F | -4°C / 25°F | 93% | 1030 mb (30.42 in) | ENE 11 kph (ENE 6.9 mph) | - | 10SM |
| | KGTB 242242Z AUTO 06006KT 10SM OVC009 M03/M04 A3043 RMK AO2 SLP320 |
| 16:55 EST |  Overcast | -3°C / 27°F | -4°C / 25°F | 93% | 1030 mb (30.42 in) | NE 11 kph (NE 6.9 mph) | - | 10SM |
| | KGTB 242155Z AUTO 05006KT 10SM OVC011 M03/M04 A3043 RMK AO2 SLP319 T10271044 |
| 16:20 EST |  Overcast | -2°C / 28°F | -5°C / 23°F | 80% | 1030 mb (30.42 in) | NNE 6 kph (NNE 3.5 mph) | - | 10SM |
| | KGTB 242120Z AUTO 02003KT 10SM OVC011 M02/M05 A3043 RMK AO2 SLP320 |
| 15:55 EST |  Overcast | -2°C / 28°F | -5°C / 23°F | 80% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KGTB 242055Z AUTO 00000KT 10SM OVC012 M02/M05 A3043 RMK AO2 SLP320 T10231047 53004 |
| 15:21 EST |  Overcast | -2°C / 28°F | -5°C / 23°F | 80% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KGTB 242021Z AUTO 00000KT 10SM OVC012 M02/M05 A3042 RMK AO2 SLP316 |
| 15:15 EST |  Overcast | -2°C / 28°F | -5°C / 23°F | 80% | 1030 mb (30.42 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KGTB 242015Z AUTO 03003KT 10SM OVC011 M02/M05 A3042 RMK AO2 SLP315 |
| 14:55 EST |  Overcast | -2°C / 28°F | -5°C / 23°F | 80% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KGTB 241955Z AUTO 00000KT 10SM OVC014 M02/M05 A3042 RMK AO2 SLP315 T10211051 |
| 13:55 EST |  Overcast | -2°C / 28°F | -5°C / 23°F | 80% | 1030 mb (30.42 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KGTB 241855Z AUTO 08003KT 10SM OVC013 M02/M05 A3042 RMK AO2 SLP315 T10241054 |
| 13:35 EST |  Overcast | -2°C / 28°F | -5°C / 23°F | 80% | 1030 mb (30.42 in) | NE 7 kph (NE 4.6 mph) | - | 10SM |
| | KGTB 241835Z AUTO 05004KT 10SM OVC014 M02/M05 A3042 RMK AO2 SLP315 |
| 12:55 EST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1030 mb (30.42 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KGTB 241755Z AUTO 08005KT 10SM OVC015 M03/M06 A3042 RMK AO2 SLP315 60000 T10301056 11030 21082 58013 |
| 12:45 EST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1030 mb (30.42 in) | ENE 9 kph (ENE 5.8 mph) | - | 10SM |
| | KGTB 241745Z AUTO 07005KT 10SM OVC015 M03/M06 A3042 RMK AO2 SLP314 |
| 12:37 EST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1030 mb (30.42 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KGTB 241737Z AUTO 04005KT 10SM OVC013 M03/M06 A3042 RMK AO2 SLP315 |
| 11:55 EST |  Overcast | -4°C / 25°F | -6°C / 21°F | 86% | 1031 mb (30.45 in) | ENE 11 kph (ENE 6.9 mph) | - | 10SM |
| | KGTB 241655Z AUTO 06006KT 10SM OVC010 M04/M06 A3044 RMK AO2 SLP321 T10371059 |
| 11:49 EST |  Overcast | -4°C / 25°F | -6°C / 21°F | 86% | 1031 mb (30.45 in) | NE 11 kph (NE 6.9 mph) | - | 10SM |
| | KGTB 241649Z AUTO 05006KT 10SM OVC010 M04/M06 A3044 RMK AO2 SLP322 |
| 11:41 EST |  Overcast | -4°C / 25°F | -6°C / 21°F | 86% | 1031 mb (30.45 in) | NE 11 kph (NE 6.9 mph) | - | 10SM |
| | KGTB 241641Z AUTO 05006KT 10SM OVC009 M04/M06 A3044 RMK AO2 CIG 009V020 SLP323 |
| 11:38 EST |  Overcast | -4°C / 25°F | -6°C / 21°F | 86% | 1031 mb (30.45 in) | ENE 11 kph (ENE 6.9 mph) | - | 10SM |
| | KGTB 241638Z AUTO 06006KT 10SM OVC010 M04/M06 A3044 RMK AO2 CIG 009V020 SLP323 |
| 11:32 EST |  Overcast | -4°C / 25°F | -6°C / 21°F | 86% | 1031 mb (30.45 in) | ENE 11 kph (ENE 6.9 mph) | - | 10SM |
| | KGTB 241632Z AUTO 07006KT 10SM OVC009 M04/M06 A3044 RMK AO2 SLP324 |
| 11:11 EST |  Overcast | -4°C / 25°F | -6°C / 21°F | 86% | 1031 mb (30.45 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KGTB 241611Z AUTO 06004KT 10SM OVC010 M04/M06 A3044 RMK AO2 CIG 008V020 SLP324 |
| 11:05 EST |  Overcast | -4°C / 25°F | -6°C / 21°F | 86% | 1031 mb (30.45 in) | ENE 9 kph (ENE 5.8 mph) | - | 10SM |
| | KGTB 241605Z AUTO 07005KT 10SM OVC008 M04/M06 A3045 RMK AO2 CIG 008V022 SLP325 |
| 11:01 EST |  Overcast | -4°C / 25°F | -6°C / 21°F | 86% | 1031 mb (30.45 in) | NE 11 kph (NE 6.9 mph) | - | 10SM |
| | KGTB 241601Z AUTO 05006KT 10SM OVC009 M04/M06 A3045 RMK AO2 CIG 008V022 SLP326 |
| 10:59 EST |  Overcast | -4°C / 25°F | -6°C / 21°F | 86% | 1031 mb (30.45 in) | ENE 9 kph (ENE 5.8 mph) | - | 10SM |
| | KGTB 241559Z AUTO 06005KT 10SM OVC011 M04/M06 A3045 RMK AO2 CIG 008V022 SLP325 |
| 10:55 EST |  Overcast | -4°C / 25°F | -6°C / 21°F | 86% | 1031 mb (30.45 in) | ENE 9 kph (ENE 5.8 mph) | - | 10SM |
| | KGTB 241555Z AUTO 06005KT 10SM OVC012 M04/M06 A3045 RMK AO2 CIG 007V022 CIG 008 RWY03 SLP325 T10441062 |
| 10:37 EST |  Overcast | -5°C / 23°F | -7°C / 19°F | 86% | 1031 mb (30.45 in) | NE 7 kph (NE 4.6 mph) | - | 10SM |
| | KGTB 241537Z AUTO 05004KT 10SM OVC013 M05/M07 A3045 RMK AO2 CIG 006V022 CIG 006 RWY03 SLP327 |
| 10:34 EST |  Overcast | -5°C / 23°F | -7°C / 19°F | 86% | 1031 mb (30.45 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KGTB 241534Z AUTO 01003KT 10SM OVC011 M05/M07 A3045 RMK AO2 CIG 006V022 CIG 006 RWY03 SLP328 |
| 10:31 EST |  Overcast | -5°C / 23°F | -7°C / 19°F | 86% | 1031 mb (30.45 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KGTB 241531Z AUTO 01004KT 10SM OVC009 M05/M07 A3046 RMK AO2 CIG 006V022 SLP328 |
| 09:59 EST |  Overcast | -5°C / 23°F | -7°C / 19°F | 86% | 1031 mb (30.45 in) | Calm | - | 10SM |
| | KGTB 241459Z AUTO 00000KT 10SM OVC007 M05/M07 A3046 RMK AO2 SLP329 |
| 09:55 EST |  Overcast | -5°C / 23°F | -7°C / 19°F | 86% | 1031 mb (30.45 in) | Calm | 0.00 mm (0.00 in) | 10SM |
| | KGTB 241455Z AUTO 00000KT 10SM OVC006 M05/M07 A3046 RMK AO2 UPB1405E1410SNB1410E1430 SLP329 P0000 60000 T10541073 51017 |
| 09:39 EST |  Overcast | -5°C / 23°F | -7°C / 19°F | 86% | 1032 mb (30.48 in) | Calm | - | 10SM |
| | KGTB 241439Z AUTO 00000KT 10SM OVC006 M05/M07 A3047 RMK AO2 UPB1405E1410SNB1410E1430 SLP333 |
| 09:30 EST |  Overcast | -6°C / 21°F | -8°C / 18°F | 86% | 1032 mb (30.48 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KGTB 241430Z AUTO 27005KT 10SM OVC005 M06/M08 A3048 RMK AO2 UPB1405E1410SNB1410E1430 SLP338 |
| 09:05 EST |  Overcast Unknown Precip | -6°C / 21°F | -8°C / 18°F | 86% | 1031 mb (30.45 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KGTB 241405Z AUTO 26004KT 10SM UP OVC005 M06/M08 A3045 RMK AO2 UPB1405 SLP328 |
| 08:55 EST |  Overcast | -6°C / 21°F | -8°C / 18°F | 86% | 1031 mb (30.45 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KGTB 241355Z AUTO 25005KT 10SM OVC005 M06/M08 A3045 RMK AO2 SLP327 T10581078 |
| 08:38 EST |  Overcast | -6°C / 21°F | -8°C / 18°F | 86% | 1031 mb (30.45 in) | Calm | - | 10SM |
| | KGTB 241338Z AUTO 00000KT 10SM OVC005 M06/M08 A3044 RMK AO2 SLP322 |
| 08:36 EST |  Overcast | -6°C / 21°F | -8°C / 18°F | 86% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KGTB 241336Z AUTO 00000KT 10SM OVC006 M06/M08 A3043 RMK AO2 SLP321 |
| 08:13 EST |  Overcast | -6°C / 21°F | -8°C / 18°F | 86% | 1031 mb (30.45 in) | Calm | - | 10SM |
| | KGTB 241313Z AUTO 00000KT 10SM OVC007 M06/M08 A3044 RMK AO2 SLP323 |
| 07:55 EST |  Overcast | -7°C / 19°F | -8°C / 18°F | 93% | 1030 mb (30.42 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KGTB 241255Z AUTO 23003KT 10SM OVC006 M07/M08 A3043 RMK AO2 SLP321 T10681085 |
| 07:53 EST |  Overcast | -7°C / 19°F | -9°C / 16°F | 86% | 1030 mb (30.42 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KGTB 241253Z AUTO 25003KT 10SM OVC006 M07/M09 A3043 RMK AO2 SLP321 |
| 07:40 EST |  Overcast | -7°C / 19°F | -9°C / 16°F | 86% | 1030 mb (30.42 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KGTB 241240Z AUTO 25004KT 10SM OVC005 M07/M09 A3043 RMK AO2 SLP321 |
| 06:57 EST |  Overcast | -8°C / 18°F | -9°C / 16°F | 93% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KGTB 241157Z AUTO 00000KT 10SM OVC006 M08/M09 A3041 RMK AO2 SLP313 |
| 06:55 EST |  Overcast | -8°C / 18°F | -9°C / 16°F | 93% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KGTB 241155Z AUTO 00000KT 10SM OVC007 M08/M09 A3041 RMK AO2 SLP313 60000 T10781093 11067 21083 53016 |
| 05:55 EST |  Overcast | -7°C / 19°F | -9°C / 16°F | 86% | 1029 mb (30.39 in) | Calm | 0.00 mm (0.00 in) | 10SM |
| | KGTB 241055Z AUTO 00000KT 10SM OVC007 M07/M09 A3038 RMK AO2 SNB1023E1041 CIG 003V019 SLP303 P0000 T10711089 |
| 05:41 EST |  Overcast | -7°C / 19°F | -9°C / 16°F | 86% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | KGTB 241041Z AUTO 00000KT 10SM OVC007 M07/M09 A3037 RMK AO2 SNB1023E1041 CIG 003V019 SLP301 |
| 05:23 EST |  Overcast Light Snow | -7°C / 19°F | -9°C / 16°F | 86% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | KGTB 241023Z AUTO 00000KT 10SM -SN OVC007 M07/M09 A3037 RMK AO2 SNB1023 SLP299 |
| 05:03 EST |  Overcast | -7°C / 19°F | -9°C / 16°F | 86% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | KGTB 241003Z AUTO 00000KT 10SM OVC008 M07/M09 A3036 RMK AO2 SLP297 |
| 04:37 EST |  Overcast | -7°C / 19°F | -9°C / 16°F | 86% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | KGTB 240937Z AUTO 00000KT 10SM OVC009 M07/M09 A3036 RMK AO2 SLP296 |
| 04:27 EST |  Overcast | -7°C / 19°F | -9°C / 16°F | 86% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | KGTB 240927Z AUTO 00000KT 10SM OVC011 M07/M09 A3036 RMK AO2 SLP296 |
| 03:55 EST |  Overcast | -7°C / 19°F | -9°C / 16°F | 86% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | KGTB 240855Z AUTO 00000KT 10SM OVC012 M07/M09 A3036 RMK AO2 SLP297 T10671094 51011 |
| 03:53 EST |  Overcast | -7°C / 19°F | -9°C / 16°F | 86% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | KGTB 240853Z AUTO 00000KT 10SM OVC012 M07/M09 A3036 RMK AO2 SLP297 |
| 02:55 EST |  Overcast | -7°C / 19°F | -10°C / 14°F | 79% | 1028 mb (30.36 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KGTB 240755Z AUTO 26003KT 10SM OVC011 M07/M10 A3036 RMK AO2 SLP296 T10671096 |
| 02:21 EST |  Overcast | -7°C / 19°F | -10°C / 14°F | 79% | 1028 mb (30.36 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KGTB 240721Z AUTO 25004KT 10SM OVC011 M07/M10 A3035 RMK AO2 SLP295 |
| 01:55 EST |  Overcast | -7°C / 19°F | -10°C / 14°F | 79% | 1027 mb (30.33 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KGTB 240655Z AUTO 26004KT 10SM OVC013 M07/M10 A3034 RMK AO2 SLP291 T10681098 |
| 01:02 EST |  Overcast | -7°C / 19°F | -10°C / 14°F | 79% | 1027 mb (30.33 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KGTB 240602Z AUTO 25004KT 10SM OVC014 M07/M10 A3033 RMK AO2 SLP286 |
| 00:55 EST |  Overcast | -7°C / 19°F | -10°C / 14°F | 79% | 1027 mb (30.33 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KGTB 240555Z AUTO 26003KT 10SM OVC015 M07/M10 A3033 RMK AO2 SLP286 T10681100 11068 21085 51008 |